197920320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15859}}^1$

素因数の和:15892

約数の個数: 112

約数和(自身を含む): 676777920

約数和(自身を除く): 478857600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 15859, 31718, 47577, 63436, 79295, 95154, 126872, 158590, 190308, 206167, 237885, 253744, 317180, 380616, 412334, 475770, 507488, 618501, 634360, 761232, 824668, 951540, 1014976, 1030835, 1237002, 1268720, 1522464, 1649336, 1903080, 2061670, 2474004, 2537440, 3044928, 3092505, 3298672, 3806160, 4123340, 4948008, 5074880, 6185010, 6597344, 7612320, 8246680, 9896016, 12370020, 13194688, 15224640, 16493360, 19792032, 24740040, 32986720, 39584064, 49480080, 65973440, 98960160, 197920320]

約数ペア:

[(1, 197920320), (2, 98960160), (3, 65973440), (4, 49480080), (5, 39584064), (6, 32986720), (8, 24740040), (10, 19792032), (12, 16493360), (13, 15224640), (15, 13194688), (16, 12370020), (20, 9896016), (24, 8246680), (26, 7612320), (30, 6597344), (32, 6185010), (39, 5074880), (40, 4948008), (48, 4123340), (52, 3806160), (60, 3298672), (64, 3092505), (65, 3044928), (78, 2537440), (80, 2474004), (96, 2061670), (104, 1903080), (120, 1649336), (130, 1522464), (156, 1268720), (160, 1237002), (192, 1030835), (195, 1014976), (208, 951540), (240, 824668), (260, 761232), (312, 634360), (320, 618501), (390, 507488), (416, 475770), (480, 412334), (520, 380616), (624, 317180), (780, 253744), (832, 237885), (960, 206167), (1040, 190308), (1248, 158590), (1560, 126872), (2080, 95154), (2496, 79295), (3120, 63436), (4160, 47577), (6240, 31718), (12480, 15859)]